1.

There are two identical boxes containing respectively. 6 black and 4 red balls, 2 black and 2 red balls. An urns is chosen at random and a ball is drawn from it (i)find the probability that the ball is black,(ii)if the ball is black,what is the probability that it is from the first urn?

Answer»


ANSWER :(i)`(11)/(20)`
(II)`(6)/(11)`


Discussion

No Comment Found